Home / 3,121,381-4,307,855.88-1,763,341.48

Finding the Fourth Proportional to 3,121,381, 4,307,855.88 and 1,763,341.48

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Solution

The fourth proportional to 3,121,381, 4,307,855.88 and 1,763,341.48 is: 2,433,609.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,381 : 4,307,855.88 = 1,763,341.48 : x
  2. Step 2: Convert to fraction form
    3,121,381/4,307,855.88 = 1,763,341.48/x
  3. Step 3: Cross multiply
    3,121,381x = 4,307,855.88 × 1,763,341.48
  4. Step 4: Simplify right side
    3,121,381x = 7,596,220,963,065.90
  5. Step 5: Solve for x
    x = 7,596,220,963,065.90/3,121,381
  6. Step 6: Final answer
    x = 2,433,609.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.